What combination of geographic and economic circumstances
allowed jamestown to survive?

-tobacco growth  

-free land attracted colonists

-political reform allowing first representative body in colonial  

America

Explanation:

workers of lowell mills were greatly benefited for the waltham type of work which was more a paternalist kind, trying to protect the integrity of this little girls coming from small farmers and providing an adequate place of work, this in an effort to avoid the issues of bad place conditions and immorality that the people in bigger industrialized cities of great britain were experimenting.

b.   jim crow laws were enacted in northern states.